28202680380100 has 18 divisors (see below), whose sum is σ = 61199816425034. Its totient is φ = 11281072152000.

The previous prime is 28202680380089. The next prime is 28202680380103. The reversal of 28202680380100 is 108308620282.

It can be written as a sum of positive squares in 3 ways, for example, as 508163676736 + 27694516703364 = 712856^2 + 5262558^2 .

It is not an unprimeable number, because it can be changed into a prime (28202680380103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141013401801 + ... + 141013402000.

Almost surely, 2^{28202680380100} is an apocalyptic number.

28202680380100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28202680380100 is an abundant number, since it is smaller than the sum of its proper divisors (32997136044934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28202680380100 is a wasteful number, since it uses less digits than its factorization.

28202680380100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282026803815 (or 282026803808 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 28202680380100 in words is "twenty-eight trillion, two hundred two billion, six hundred eighty million, three hundred eighty thousand, one hundred".